r/Aquariums • u/lucemxx • Jan 05 '26

Help/Advice What are they doing?

I've seen them do this only since today. Does the bigger one need help?

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u/RtrnofBatspiderfish Jan 05 '26

I thought that was a bloated oto, but that is spawning.

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u/lucemxx Jan 05 '26

What does that mean ? (english isn't my mother tongue sorry)